Which of the following choices is the standard deviation of the sample shown here? 19, 20, 21, 22, 23

A. sqrt2

B. 2

C. 21

D. sqrt2.5

E. 2.5

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Write the equation in logarithmic form 8^x=64

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection